C++ (Cpp) tc_calc_xmitsize Exemples

Exemple #1

Fichier : q_tbf.c Projet : Nymphetaminer/dsl-n55u

static int tbf_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
	struct rtattr *tb[TCA_TBF_PTAB+1];
	struct tc_tbf_qopt *qopt;
	double buffer, mtu;
	double latency;
	SPRINT_BUF(b1);
	SPRINT_BUF(b2);

	if (opt == NULL)
		return 0;

	parse_rtattr_nested(tb, TCA_TBF_PTAB, opt);

	if (tb[TCA_TBF_PARMS] == NULL)
		return -1;

	qopt = RTA_DATA(tb[TCA_TBF_PARMS]);
	if (RTA_PAYLOAD(tb[TCA_TBF_PARMS])  < sizeof(*qopt))
		return -1;
	fprintf(f, "rate %s ", sprint_rate(qopt->rate.rate, b1));
	buffer = tc_calc_xmitsize(qopt->rate.rate, qopt->buffer);
	if (show_details) {
		fprintf(f, "burst %s/%u mpu %s ", sprint_size(buffer, b1),
			1<<qopt->rate.cell_log, sprint_size(qopt->rate.mpu, b2));
	} else {
		fprintf(f, "burst %s ", sprint_size(buffer, b1));
	}
	if (show_raw)
		fprintf(f, "[%08x] ", qopt->buffer);
	if (qopt->peakrate.rate) {
		fprintf(f, "peakrate %s ", sprint_rate(qopt->peakrate.rate, b1));
		if (qopt->mtu || qopt->peakrate.mpu) {
			mtu = tc_calc_xmitsize(qopt->peakrate.rate, qopt->mtu);
			if (show_details) {
				fprintf(f, "mtu %s/%u mpu %s ", sprint_size(mtu, b1),
					1<<qopt->peakrate.cell_log, sprint_size(qopt->peakrate.mpu, b2));
			} else {
				fprintf(f, "minburst %s ", sprint_size(mtu, b1));
			}
			if (show_raw)
				fprintf(f, "[%08x] ", qopt->mtu);
		}
	}

	if (show_raw)
		fprintf(f, "limit %s ", sprint_size(qopt->limit, b1));

	latency = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->rate.rate) - tc_core_tick2time(qopt->buffer);
	if (qopt->peakrate.rate) {
		double lat2 = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->peakrate.rate) - tc_core_tick2time(qopt->mtu);
		if (lat2 > latency)
			latency = lat2;
	}
	fprintf(f, "lat %s ", sprint_time(latency, b1));

	return 0;
}

Exemple #2

Fichier : m_police.c Projet : ashishtanwer/iproute-mptcp

int
print_police(struct action_util *a, FILE *f, struct rtattr *arg)
{
	SPRINT_BUF(b1);
	SPRINT_BUF(b2);
	struct tc_police *p;
	struct rtattr *tb[TCA_POLICE_MAX+1];
	unsigned buffer;
	unsigned int linklayer;

	if (arg == NULL)
		return 0;

	parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);

	if (tb[TCA_POLICE_TBF] == NULL) {
		fprintf(f, "[NULL police tbf]");
		return 0;
	}
#ifndef STOOPID_8BYTE
	if (RTA_PAYLOAD(tb[TCA_POLICE_TBF])  < sizeof(*p)) {
		fprintf(f, "[truncated police tbf]");
		return -1;
	}
#endif
	p = RTA_DATA(tb[TCA_POLICE_TBF]);

	fprintf(f, " police 0x%x ", p->index);
	fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
	buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
	fprintf(f, "burst %s ", sprint_size(buffer, b1));
	fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
	if (show_raw)
		fprintf(f, "[%08x] ", p->burst);
	if (p->peakrate.rate)
		fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));
	if (tb[TCA_POLICE_AVRATE])
		fprintf(f, "avrate %s ", sprint_rate(rta_getattr_u32(tb[TCA_POLICE_AVRATE]), b1));
	fprintf(f, "action %s", police_action_n2a(p->action, b1, sizeof(b1)));
	if (tb[TCA_POLICE_RESULT]) {
		fprintf(f, "/%s ", police_action_n2a(*(int*)RTA_DATA(tb[TCA_POLICE_RESULT]), b1, sizeof(b1)));
	} else
		fprintf(f, " ");
	fprintf(f, "overhead %ub ", p->rate.overhead);
	linklayer = (p->rate.linklayer & TC_LINKLAYER_MASK);
	if (linklayer > TC_LINKLAYER_ETHERNET || show_details)
		fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2));
	fprintf(f, "\nref %d bind %d\n",p->refcnt, p->bindcnt);

	return 0;
}